The "M." in the query indicates the mobile-optimized version of the site. In many regions with developing internet infrastructure, mobile data was the primary way people accessed media in 2013, making m.ok.ru a massively heavily trafficked portal.
If you are searching for a specific video post on the mobile site (m.ok.ru), you can use these direct search tips: Search by Russian Title: Copy and paste Безумные 2013 into the OK.ru search bar for the horror/thriller version. Search by English Title: Reckless 2013 to find the TV movie pilot. Filter by Video: Ensure you are in the "Video" (Видео) Reckless 2013 M.ok.ru